```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>域名服务专家 | 一站式域名注册与管理平台</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
        }
        .domain-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            transition: all 0.3s ease;
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.1);
            color: #6366f1;
        }
        .mermaid {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
    </style>
</head>
<body>
    <header class="hero-gradient text-white">
        <div class="container mx-auto px-6 py-24">
            <div class="max-w-4xl mx-auto text-center">
                <h1 class="text-4xl md:text-5xl font-bold mb-6">开启您的在线旅程</h1>
                <p class="text-xl md:text-2xl mb-8 font-light opacity-90">一站式域名注册与管理解决方案，助您建立专业在线形象</p>
                <div class="relative max-w-xl mx-auto">
                    <input type="text" placeholder="搜索您的理想域名..." class="w-full py-4 px-6 rounded-full text-gray-800 focus:outline-none focus:ring-2 focus:ring-indigo-500">
                    <button class="absolute right-2 top-2 bg-indigo-600 hover:bg-indigo-700 text-white py-2 px-6 rounded-full transition duration-300 transform hover:scale-105">
                        <i class="fas fa-search mr-2"></i>搜索
                    </button>
                </div>
            </div>
        </div>
    </header>

    <section class="py-16 bg-white">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-800 mb-4">为什么选择我们？</h2>
                <p class="max-w-2xl mx-auto text-gray-600">我们提供全方位的域名服务，从注册到管理，从SSL证书到主机服务，满足您所有在线需求</p>
            </div>
            
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="feature-card p-8 rounded-xl bg-gray-50 hover:bg-white transition-all duration-300 border border-gray-100">
                    <div class="feature-icon text-4xl text-indigo-500 mb-6">
                        <i class="fas fa-globe"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">全球域名注册</h3>
                    <p class="text-gray-600">支持.com、.top、.net等数百种顶级域名，满足您的品牌全球化需求</p>
                </div>
                
                <div class="feature-card p-8 rounded-xl bg-gray-50 hover:bg-white transition-all duration-300 border border-gray-100">
                    <div class="feature-icon text-4xl text-indigo-500 mb-6">
                        <i class="fas fa-lock"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">SSL证书服务</h3>
                    <p class="text-gray-600">提供多种SSL证书类型，保障网站安全，提升用户信任度</p>
                </div>
                
                <div class="feature-card p-8 rounded-xl bg-gray-50 hover:bg-white transition-all duration-300 border border-gray-100">
                    <div class="feature-icon text-4xl text-indigo-500 mb-6">
                        <i class="fas fa-server"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3 text-gray-800">高性能主机</h3>
                    <p class="text-gray-600">全球分布式主机服务，99.9%正常运行时间，确保您的网站始终在线</p>
                </div>
            </div>
        </div>
    </section>

    <section class="py-16 bg-gray-50">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-800 mb-4">热门域名扩展</h2>
                <p class="max-w-2xl mx-auto text-gray-600">我们支持数百种域名后缀，以下是部分热门选择</p>
            </div>
            
            <div class="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 gap-4">
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.com</div>
                    <p class="text-gray-500 text-sm">全球最受欢迎</p>
                </div>
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.top</div>
                    <p class="text-gray-500 text-sm">新兴顶级域名</p>
                </div>
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.net</div>
                    <p class="text-gray-500 text-sm">网络服务首选</p>
                </div>
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.edu</div>
                    <p class="text-gray-500 text-sm">教育机构专用</p>
                </div>
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.org</div>
                    <p class="text-gray-500 text-sm">非营利组织</p>
                </div>
                <div class="domain-card bg-white p-6 rounded-lg shadow-md text-center transition-all duration-300 border border-gray-100">
                    <div class="text-3xl font-bold text-indigo-600 mb-2">.shop</div>
                    <p class="text-gray-500 text-sm">电子商务平台</p>
                </div>
            </div>
            
            <div class="text-center mt-12">
                <button class="bg-indigo-600 hover:bg-indigo-700 text-white py-3 px-8 rounded-full transition duration-300 inline-flex items-center">
                    <i class="fas fa-list mr-2"></i>查看全部域名后缀
                </button>
            </div>
        </div>
    </section>

    <section class="py-16 bg-white">
        <div class="container mx-auto px-6">
            <div class="flex flex-col lg:flex-row items-center">
                <div class="lg:w-1/2 mb-10 lg:mb-0 lg:pr-12">
                    <h2 class="text-3xl font-bold text-gray-800 mb-6">全方位SSL安全解决方案</h2>
                    <p class="text-gray-600 mb-6">保护您的网站和用户数据安全，提升搜索引擎排名，建立客户信任。</p>
                    
                    <ul class="space-y-4">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-3"></i>
                            <span class="text-gray-700">单域名、多域名和通配符证书</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-3"></i>
                            <span class="text-gray-700">256位强加密，最高级别安全保障</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-3"></i>
                            <span class="text-gray-700">支持所有主流浏览器和移动设备</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-3"></i>
                            <span class="text-gray-700">免费CSR生成和解码工具</span>
                        </li>
                    </ul>
                    
                    <button class="mt-8 bg-indigo-600 hover:bg-indigo-700 text-white py-3 px-8 rounded-full transition duration-300 inline-flex items-center">
                        <i class="fas fa-shield-alt mr-2"></i>选择SSL证书
                    </button>
                </div>
                
                <div class="lg:w-1/2">
                    <div class="mermaid">
                        graph LR
                            A[您的网站] -->|HTTPS加密| B(用户浏览器)
                            A --> C[数据库]
                            B -->|安全连接| D[支付网关]
                            style A fill:#6366f1,stroke:#333,color:#fff
                            style B fill:#8b5cf6,stroke:#333,color:#fff
                            style C fill:#10b981,stroke:#333,color:#fff
                            style D fill:#f59e0b,stroke:#333,color:#fff
                    </div>
                </div>
            </div>
        </div>
    </section>

    <section class="py-16 bg-indigo-50">
        <div class="container mx-auto px-6">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold text-gray-800 mb-4">我们的服务流程</h2>
                <p class="max-w-2xl mx-auto text-gray-600">简单四步，助您快速上线</p>
            </div>
            
            <div class="relative">
                <div class="hidden md:block absolute top-0 left-0 right-0 h-0.5 bg-gray-200 mt-10"></div>
                <div class="grid grid-cols-1 md:grid-cols-4 gap-8">
                    <div class="relative text-center">
                        <div class="w-20 h-20 mx-auto bg-indigo-600 rounded-full flex items-center justify-center text-white text-2xl font-bold mb-4 relative z-10">1</div>
                        <h3 class="text-xl font-semibold mb-2 text-gray-800">搜索域名</h3>
                        <p class="text-gray-600">输入您想要的域名，查看可用性</p>
                    </div>
                    
                    <div class="relative text-center">
                        <div class="w-20 h-20 mx-auto bg-indigo-600 rounded-full flex items-center justify-center text-white text-2xl font-bold mb-4 relative z-10">2</div>
                        <h3 class="text-xl font-semibold mb-2 text-gray-800">选择服务</h3>
                        <p class="text-gray-600">添加域名、SSL证书和主机服务</p>
                    </div>
                    
                    <div class="relative text-center">
                        <div class="w-20 h-20 mx-auto bg-indigo-600 rounded-full flex items-center justify-center text-white text-2xl font-bold mb-4 relative z-10">3</div>
                        <h3 class="text-xl font-semibold mb-2 text-gray-800">完成支付</h3>
                        <p class="text-gray-600">安全便捷的多种支付方式</p>
                    </div>
                    
                    <div class="relative text-center">
                        <div class="w-20 h-20 mx-auto bg-indigo-600 rounded-full flex items-center justify-center text-white text-2xl font-bold mb-4 relative z-10">4</div>
                        <h3 class="text-xl font-semibold mb-2 text-gray-800">配置上线</h3>
                        <p class="text-gray-600">专业指导，快速完成配置</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```